Multi-Spectral Image Fusion Method Based on Nonsubsampled Three Channels Nonseparable Symmetrical Wavelets

LIU Bin; PENG Jia-xiong

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Multi-Spectral Image Fusion Method Based on Nonsubsampled Three Channels Nonseparable Symmetrical Wavelets

更新时间：2025-07-16

- Multi-Spectral Image Fusion Method Based on Nonsubsampled Three Channels Nonseparable Symmetrical Wavelets
- Acta Electronica Sinica Vol. 39, Issue 5, Pages: 1094-1099(2011)
- 作者机构：
  
  1. 湖北大学数学与计算机科学学院,湖北,武汉,430062
  2. 华中科技大学图像识别与人工智能研究所,湖北,武汉,430074
  3. 湖北大学数学与计算机科学学院湖北武汉,430062
  4. 华中科技大学图像识别与人工智能研究所湖北武汉,430074
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP391.4
- Published：2011
- 稿件说明：
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LIU Bin, PENG Jia-xiong. Multi-Spectral Image Fusion Method Based on Nonsubsampled Three Channels Nonseparable Symmetrical Wavelets[J]. Acta Electronica Sinica, 2011, 39(5): 1094-1099.
DOI：

LIU Bin, PENG Jia-xiong. Multi-Spectral Image Fusion Method Based on Nonsubsampled Three Channels Nonseparable Symmetrical Wavelets[J]. Acta Electronica Sinica, 2011, 39(5): 1094-1099. DOI：

摘要

针对IHS变换融合方法不能保持好的光谱信息

张量积小波变换融合方法生成的融合结果图像空间分辨率偏低、且易产生方块效应等不足.提出了一种基于三通道不可分对称小波的多光谱图像融合方法.利用矩阵扩充的方法

给出了三通道不可分对称小波滤波器组的构造方法

用所构造的不可分小波滤波器组分别对多光谱图像的亮度分量和全色图像作非下采样多尺度分解

采用高频分量替代、低频分量取平均进行融合.实验结果表明

该方法有较好的融合效果

其保持光谱信息的能力和空间分辨率信息的能力比基于IHS融合方法、基于DWT的融合方法和基于IHS-DWT的融合方法都强.

Abstract

In order to solve the problems that the image fusion method based on IHS transform can not preserve good spectral information and the image fusion method based on separable discrete wavelet transform is low in spatial resolution and block effect is exist in the fused image

a new multispectral image fusion method based on IHS transform and three channels nonseparable symmetrical wavelets is proposed.A construction method of the symmetrical filter bank relating to this kind of wavelet is presented.The multi-resolution decompositions of the intensity of the multispectral image and panchromatic image are performed in nonsubsampled mode using the filter bank constructed.The approximation images and the detail images of the multi-resolution pyramids are fused.The experiment results show that this method has good visual effect.The fusion performance outperforms the IHS fusion method

the fusion method based on DWT and the fusion method based on IHS-DWT in preserving spectral quality and high spatial resolution information.

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